Casio GM-2100C

User Manual - Page 5

For GM-2100C.

PDF File Manual, 7 pages, Download pdf file

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Operation Guide 5611
E-49
Operating Precautions
Water Resistance
x The information below applies to watches with WATER RESIST or WATER
RESISTANT marked on the back cover.
Water
Resistance
Under Daily
Use
Enhanced Water Resistance Under
Daily Use
5
Atmospheres
10
Atmospheres
20
Atmospheres
Marking
On watch front or on
back cover
No
BAR mark
5BAR 10BAR 20BAR
Example of
Daily Use
Hand washing, rain Yes Yes Yes Yes
Water-related work, swimming
No Yes Yes Yes
Windsurfing No No Yes Yes
Skin diving No No Yes Yes
x
Do not use your watch for scuba diving or other types of diving that requires air tanks.
OPUM-E
E-48
Battery: Two silver oxide batteries (Type: SR726W)
Approximate battery operating time: 3 years under the following conditions:
x Alarm: 10 seconds/day
x 1 illumination operation (1.5 seconds) per day
Frequent use of illumination runs down the battery.
Specifications are subject to change without notice.
E-47
Stopwatch:
Measuring unit: 1/100 seconds (first hour);
1 second (after first hour)
Measuring capacity: 23:59'59"
Measuring modes: Elapsed time, split time, two finishes
Countdown Timer:
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments)
Alarms: 5 Daily alarms; Hourly time signal
Illumination: Double LED (light-emitting diode); Selectable illumination duration
(approximately 1.5 seconds or 3 seconds)
Other: Button operation tone on/off; Moving the Hands to View the Digital Display
E-46
Specifications
Accuracy at normal temperature: ±15 seconds a month
Digital Timekeeping: Hour, minutes, seconds, p.m. (P), month, day
Time format: 12-hour and 24-hour
Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099
Other: Home City code (can be assigned one of 48 city codes);
Standard Time/Daylight Saving Time (summer time)
Analog Timekeeping: Hour, minutes (hand moves every 20seconds), day of the
week
World Time: 48 cities (31 time zones) and Coordinated Universal Time (UTC)
Other: Daylight Saving Time/Standard Time
E-45
Main Indicators
Number Name See
1
1
Split indicator E-27
2
2
PM indicator E-15
3
3
Hands shifted indicator E-13
4
4
DST indicator E-18, E-25
5
5
Mute indicator E-41
6
6
Alarm on indicator E-34
7
7
Hourly time signal on indicator E-36
1
4
7
2 3
65
E-44
World Time Mode
The time for my World Time City is off in the World Time Mode.
This could be due to incorrect switching between standard time and daylight saving
time. See “To specify standard time or daylight saving time (DST) for a city” (page E-25)
for more information.
E-43
Troubleshooting
Hand Movement and Indications
The time indicated by the hands is different from the digital time.
This could indicate that the watch has been exposed to strong magnetism or
impact, which has caused problems with proper hand alignment. Adjust the watch’s
hand home position alignment (page E-39).
Time Setting
The current time setting is off by hours.
Your Home City setting may be wrong (page E-16). Check your Home City setting and
correct it, if necessary.
The current time setting is off by one hour.
You may need to change your Home City’s standard time/daylight saving time
(DST) setting. Use the procedure under “Adjusting the Digital Time and Date
Settings” (page E-19) to change the standard time/daylight saving time (DST) setting.
E-42
To turn the button operation tone on and off
1. In the Timekeeping Mode, hold down A until the flashing SET indicator
disappears from the display and the currently selected city code appears on the
display.
2. Press C nine times to display the button operation tone On/Off screen (page
E-20).
The screen will show either KEY or MUTE.
3. Press D or B to toggle the button operation tone setting between enabled
(KEY
) and disabled (MUTE).
4. Press A to exit the setting mode.
Note
x The mute indicator is displayed in all modes when the button operation tone is
disabled.
E-41
Button Operation Tone
You can turn the button operation tone on or off as
desired.
x Even if you turn off the button operation tone, alarms,
the Hourly Time Signal, and other beepers all operate
normally.
E-40
3. Press C.
x This causes 0:00 to flash to indicate the hour and
minute hand adjustment mode.
4. If the hour and minute hands are not at 12o’clock, use
D (+) and B (–) to adjust them until they are.
5. Press A to return to the Timekeeping Mode.
Check to make sure that the time indicated by the hands
matches the time on the digital display. If the times don’t
match, perform the correction procedure above again.
Hour hand and
minute hand
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